| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (527 reviews) | Istanbul, Turkey | 22+ years | Biopsy, Whole-body MRI | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #2 | 4.9 / 5 (54 reviews) | Istanbul, Turkey | — | — | Brain MRI, Testicular Biopsy | — | — | Turkish Medical Association, International Health Tourism Authorization Certificate | |
| #3 | 4.6 / 5 (386 reviews) | Istanbul, Turkey | — | — | Immunotherapy, targeted therapy, smart pills | Advanced or metastatic kidney cancer | Follows NCCN and ESMO protocols with a structured treatment plan including immunotherapy sessions every 14 days. JCI accredited for quality care. | International Organization for Standardization, Joint Commission International | |
| #4 | 4.7 / 5 (462 reviews) | Barcelona, Spain | 41+ years23,000+ treatments | Immunotherapy for kidney cancer, MRI of the spine cord | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #5 | 4.6 / 5 (222 reviews) | Istanbul, Turkey | 20+ years | Colonoscopy, Whole-body MRI | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #6 | 5.0 / 5 (1 review) | Madrid, Spain | — | — | Immunotherapy for kidney cancer | — | — | Joint Commission International , International Organization for Standardization | |
| #7 | 4.5 / 5 (159 reviews) | Tel Aviv, Israel | 38+ years34,000+ treatments | Interferon-alpha, interleukin-2, targeted therapy | Late-stage or metastatic kidney cancer | Offers both specific and nonspecific immunotherapy, including innovative drugs and clinical trials. JCI accredited with 90% cancer treatment success rate. | World's Best Smart Hospitals 2021 by Newsweek, World's Best Hospitals 2021 by Newsweek | ||
| #8 | 4.6 / 5 (143 reviews) | Istanbul, Turkey | — | — | Immunotherapy, targeted therapy | Advanced kidney cancer with metastases | Offers personalized immunotherapy courses every 21 days. Part of Memorial Healthcare Group with high success rates in kidney treatments. Includes PET-CT and MRI for precise treatment monitoring. | International Organization for Standardization, Joint Commission International | |
| #9 | 4.5 / 5 (481 reviews) | Istanbul, Turkey | — | — | Colonoscopy, MRI of one area | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #10 | 4.5 / 5 (53 reviews) | Istanbul, Turkey | 35+ years | PET/CT, CT (computer tomography) | — | — | Joint Commission International |